MEDIUM 5.9 NVD
CVE-2026-19941
An inapplicable NSEC record may be accepted by a `named` resolver as proof that no wildcard exists, which could allow an attacker at the same or an upstream lev
An inapplicable NSEC record may be accepted by a `named` resolver as proof that no wildcard exists, which could allow an attacker at the same or an upstream level of the zone name to mask the existence of a victim's wildcard record.
This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.27-S1.
References
- https://downloads.isc.org/isc/bind9/9.20.29
- https://downloads.isc.org/isc/bind9/9.21.26
- https://kb.isc.org/docs/cve-2026-19941
This medium severity vulnerability with a CVSS score of 5.9 was published on 2026-09-16 via NVD.
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